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For nearly six decades, Primoris has built a reputation for taking on challenges that others will not – setting the bar ever higher for ourselves and our industry with each project.

Now, as we build a sustainable infrastructure that supports the growing needs of the nation – and the world – we reaffirm innovation, quality, service, and safety as our core values. And we remind ourselves that the pioneering spirit of yesteryear fuels the imagination of today.

With more than 9 million customers, 44,000 megawatts of generating capacity and 1,500 billion cubic feet of combined natural gas consumption and throughput, Atlanta-based Southern Company (NYSE: SO) is America's premier energy company serving the Southeast through its subsidiaries.

One Call Concepts has been providing fully outsourced, end-to-end management of one call notification centers across the United States for over 32 years. We are the one call industry’s most robust service provider, and we work in close partnership with more than a quarter of the nation’s state one call notification centers to keep innovating as trends emerge and technologies evolve. We were one of the first companies to provide turnkey one call center management, on the forefront of an emerging nationwide system for providing more effective utility damage prevention three decades ago.

Established in 1990, New York 811 (Formerly Dignet of NYC & LI Inc. ) is a nonprofit organization that acts as a communications link between utility companies and individuals planning any digging activity in the five boroughs of New York City and Nassau and Suffolk Counties on Long Island. By relaying these requests, New York 811 helps protect one of the most vast, congested and complicated underground infrastructures in the nation.

Underground Safety Alliance (USA) was incorporated in November 2005, as a not for profit umbrella organization for “Call Before You Dig” one call centers. The founding members were Kentucky Underground Protection Inc. (KUPI), now known as Kentucky811, and Indiana Underground Plant Protection Service Inc. (IUPPS) now known as Indiana811.

Marathon Pipe Line LLC (MPL) operates approximately 6,000 miles of underground pipeline in 14 states. MPL transports crude oil, petroleum products and natural gas to and from terminals, refineries and other pipelines. The company safely controls the movement and delivery of an average of 120 million gallons of petroleum products daily.

Energy Transfer is a Texas-based company that began in 1995 as a small intrastate natural gas pipeline operator and is now one of the largest and most diversified investment grade master limited partnerships in the United States. Growing from roughly 200 miles of natural gas pipelines in 2002 to approximately 71,000 miles of natural gas, natural gas liquids (NGLs), refined products, and crude oil pipelines today, the Energy Transfer family of partnerships remains dedicated to providing exceptional service to its customers and attractive returns to its investors.

We safely and reliably transport refined petroleum products such as gasoline, diesel fuel, jet fuel, home heating oil and fuels for the U.S. military. Our pipeline system consists of more than 5,500 miles of underground pipe and above ground storage tanks and pump stations.

The American Gas Association, founded in 1918, represents more than 200 local energy companies that deliver clean natural gas throughout the United States. There are more than 74 million residential, commercial and industrial natural gas customers in the U.S., of which 95 percent — more than 70 million customers — receive their gas from AGA members. Today, natural gas meets more than one-fourth of the United States' energy needs.